jQuery 1.11.0 vs 2.1.0

JavaScript performance comparison

Revision 57 of this test case created by hilem

Preparation code

<script src="//code.jquery.com/jquery-1.11.0.min.js">
</script>
<script>
  var jQ110 = jQuery.noConflict();
</script>
<script src="//code.jquery.com/jquery-2.1.0.min.js">
</script>
<script>
  var jQ20 = jQuery.noConflict();
</script>
<div id="idSelector">
</div>
<div class="classSelector">
</div>
<ul id="iteration">
  <li>
  </li>
  <li>
  </li>
  <li>
  </li>
  <li>
  </li>
  <li>
  </li>
  <li>
  </li>
  <li>
  </li>
</ul>
<div id="cssGetter" style="color: black;">
</div>
<div id="cssSetter" style="color: black;">
</div>
<div id="find">
  <span>
  </span>
  <div>
    <strong>
    </strong>
  </div>
</div>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
1.x ID Selector
jQ110("#idSelector");
pending…
2.x ID Selector
jQ20("#idSelector");
pending…
1.x Class Selector
jQ110(".classSelector");
pending…
2.x Class Selector
jQ20(".classSelector");
pending…
1.x Iteration
jQ110("#iteration li").each(function(i, e) {
  i++;
});
pending…
2.x Iteration
jQ20("#iteration li").each(function(i, e) {
  i++;
});
pending…
1.x CSS Getter
jQ110("#cssGetter").css("color");
pending…
2.x CSS Getter
jQ20("#cssGetter").css("color");
pending…
1.x CSS Setter
jQ110("#cssSetter").css("color", "red");
pending…
2.x CSS Setter
jQ20("#cssSetter").css("color", "red");
pending…
1.x Find
jQ110("#find").find("strong");
pending…
2.x Find
jQ20("#find").find("strong");
pending…
1.x Non-existent ID
jQ110("#someID");
pending…
2.x Non-existent ID
jQ20("#someID");
pending…
1.x Non-existent Class
jQ110(".someClass");
pending…
2.x Non-existent Class
jQ20(".someClass");
pending…
1.x Filter-next-prev
jQ110("#iteration li").filter(":first").next();
jQ110("#iteration li").filter(":last").prev();
pending…
2.x Filter-next-prev
jQ20("#iteration li").filter(":first").next();
jQ20("#iteration li").filter(":last").prev();
pending…

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